'Stargate' Actor Carmen Argenziano Dead at 75

Carmen Argenziano — who’s perhaps best known from “Stargate SG-1″ — has died … TMZ has learned.

Argenziano passed away Sunday, according to his talent agency, Event Horizon Talent. His rep confirms to TMZ that Argenziano had, in fact, died … but the circumstances of his death remain unclear for now.

The Pennsylvania-born actor has starred in tons of TV shows and movies over the course of his 5-decade career, including “The Rockford Files,” “Lou Grant,” “Heartbeat,” “Booker,” “L.A. Law,” “Melrose Place,” “Sisters,” “CSI: NY,” “The Young and the Restless” and, of course, ‘SG-1′ … where he played Jacob Carter from 1998 to 2005.

Argenziano also has lots of smaller roles in big productions like “Columbo,” “Police Story,” “The Godfather: Part II,” “CHiPs,” “The Greatest American Hero,” “The A-Team,” “Cheers,” “Crime & Punishment,” “ER,” “Walker, Texas Ranger,” “House” … and many, many more. The man has 227 acting credits to his name on IMDb.